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Derived from the child-doctor prodigy Doogie Howser. It refers to herb-ass prodigies. Kids that are the wackest of the wack.
That dude is a herb-- a regular Dookie Howser.
by Lou Cheech August 25, 2008
The act of sandwiching a fresh steamy piece of fecal matter between the married ass-cheeks of one partner and the second (female or fat "man-tittie" endowed) partner's tits.

Ass to boob poop-fucking.
Last night I was banging this chick, and she was like, "give me a 'doogie howser,'" and I was like, "what the hell is that?" "NO," she said, "a DOOKIE HOWSER -- as in HOUSING a DOOKIE!"
by Neal Patrick Harris, MD January 31, 2009